Hewlett Packard Enterprise Aruba 3810, Aruba 5400R Management And Configuration Manual
Aruba 3810 / 5400R Management and
Configuration Guide for ArubaOSSwitch 16.08
Part Number: 5200-5491a
Published: January 2019
Edition: 2
©
Copyright 2019 Hewlett Packard Enterprise
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Contents
Chapter 1 About this guide........................................................................... 33
Applicable products..................................................................................................................................33
Switch prompts used in this guide........................................................................................................... 33
Chapter 2 Time synchronization...................................................................34
NTP..........................................................................................................................................................34
NTP related commands................................................................................................................ 34
timesync............................................................................................................................. 34
timesync ntp....................................................................................................................... 35
ntp...................................................................................................................................... 35
[no] ntp............................................................................................................................... 35
ntp enable...........................................................................................................................36
ntp authentication............................................................................................................... 37
ntp max-associations..........................................................................................................38
ntp server........................................................................................................................... 38
ntp server key-id.................................................................................................................40
ntp ipv6-multicast............................................................................................................... 40
debug ntp........................................................................................................................... 41
ntp trap............................................................................................................................... 41
show ntp servers ............................................................................................................... 42
show ntp statistics.............................................................................................................. 42
show ntp status.................................................................................................................. 43
show ntp authentication......................................................................................................43
show ntp associations........................................................................................................ 44
FQDN support for NTP servers ....................................................................................................45
FQDN support for NTP servers.......................................................................................... 45
Elements of time synchronization............................................................................................................ 47
Time synchronization protocols................................................................................................................47
timesync........................................................................................................................................ 48
Setting a time protocol on the switch....................................................................................................... 48
The SNTP protocol.................................................................................................................................. 48
Selecting and configuring SNTP................................................................................................... 49
Prerequisites...................................................................................................................... 49
sntp.....................................................................................................................................50
Enabling SNTP in Broadcast mode....................................................................................51
Configuring SNTP in unicast mode.................................................................................... 51
Viewing SNTP parameters............................................................................................................53
Viewing SNTP server addresses using the CLI..................................................................53
Enabling SNTP client authentication.............................................................................................54
Requirements to enable SNTP client authentication..........................................................54
Viewing all SNTP authentication keys that have been configured on the switch............... 55
SNTP poll interval......................................................................................................................... 55
sntp poll-interval................................................................................................................. 55
SNTP unicast time polling with multiple SNTP servers...................................................... 56
SNTP server priority......................................................................................................................56
sntp server priority .............................................................................................................56
SNTP software version................................................................................................................. 57
sntp server <version>.........................................................................................................57
SNTP server address....................................................................................................................57
Contents 3
sntp server <ip-address>....................................................................................................57
Adding SNTP server addresses......................................................................................... 57
SNTP authentication trusted keys.................................................................................................58
trusted................................................................................................................................ 58
Configuration files and the include-credentials command .................................................58
Configuring the key-identifier, authentication mode, and key-value..............................................59
sntp authentication............................................................................................................. 59
Configuring a key-id as trusted...........................................................................................60
Associating a key with an SNTP server............................................................................. 61
sntp server priority..............................................................................................................62
Enabling and disabling SNTP client authentication............................................................62
Viewing SNTP authentication configuration information.....................................................62
Viewing statistical information for each SNTP server.........................................................64
SNTP messages in the event log..................................................................................................65
Storing security information in the running-config file................................................................... 66
The TimeP Protocol................................................................................................................................. 66
Enabling TimeP mode...................................................................................................................66
timesync timep................................................................................................................... 67
TimeP in DHCP mode........................................................................................................ 67
Enabling TimeP for DHCP..................................................................................................67
TimeP operation in manual mode................................................................................................. 68
timesync timep................................................................................................................... 68
ip timep...............................................................................................................................68
Current TimeP configuration......................................................................................................... 69
show timep......................................................................................................................... 69
show management............................................................................................................. 70
Change from one TimeP server to another ..................................................................................70
TimeP poll interval.........................................................................................................................70
ip timep...............................................................................................................................70
Disable time synchronization protocols ...................................................................................................70
Disabling TimeP in manual mode..................................................................................................70
no ip timep..........................................................................................................................71
Disabling time synchronization......................................................................................................71
no timesync........................................................................................................................ 71
Disabling timsync using the GUI........................................................................................ 71
Disabling the TimeP mode............................................................................................................ 71
no ip timep..........................................................................................................................72
Disabling time synchronization without changing the SNTP configuration................................... 72
timesync............................................................................................................................. 72
Disabling SNTP mode...................................................................................................................73
Disabling SNTP Mode...................................................................................................................73
no sntp................................................................................................................................73
Deleting an SNTP server....................................................................................................73
Disabling SNTP by deleting a server..................................................................................74
Disabling time synchronization in DHCP mode by disabling the TimeP mode parameter............74
ip timep ......................................................................................................................... 74
Other time protocol commands................................................................................................................75
Show management command...................................................................................................... 75
show management............................................................................................................. 75
Show SNTP command..................................................................................................................75
show sntp........................................................................................................................... 75
Show TimeP command................................................................................................................. 77
show................................................................................................................................... 77
Chapter 3 Resource usage............................................................................ 79
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Viewing current resource usage...............................................................................................................79
showquos...................................................................................................................................... 79
Viewing information on resource usage...................................................................................................80
When insufficient resources are available.....................................................................................81
Policy enforcement engine............................................................................................................81
Usage notes for show resources output........................................................................................82
Chapter 4 Hardware components................................................................. 84
Services................................................................................................................................................... 84
Show services............................................................................................................................... 84
No parameters.............................................................................................................................. 84
show services.....................................................................................................................84
Show services locator................................................................................................................... 85
Show services device....................................................................................................................86
show services device......................................................................................................... 86
Requesting a reboot......................................................................................................................87
Services in Operator/Manager/Configure context......................................................................... 87
Services (operator).............................................................................................................87
Services (manager)............................................................................................................ 88
Services (configure)........................................................................................................... 89
Enable or disable devices.................................................................................................. 90
no services......................................................................................................................... 90
Accessing CLI-passthrough............................................................................................... 90
Show services set locator module.................................................................................................91
command name..................................................................................................................91
Reloading services module........................................................................................................... 91
command name..................................................................................................................91
Connection to the application via a serial port.............................................................................. 91
command name..................................................................................................................92
Shutdown the services module..................................................................................................... 92
command name..................................................................................................................92
Transceiver status....................................................................................................................................92
Operating notes.............................................................................................................................92
show interfaces transceivers.........................................................................................................93
Configuring the type of a module............................................................................................................. 93
module type...................................................................................................................................93
Clearing the module configuration........................................................................................................... 94
Configuring transceivers and modules that have not been inserted........................................................ 94
Transceivers..................................................................................................................................94
Modules.........................................................................................................................................94
Clearing the module configuration................................................................................................ 94
Power consumption................................................................................................................................. 95
show system power-supply........................................................................................................... 95
Fans......................................................................................................................................................... 98
show system ................................................................................................................................ 99
show system fans..................................................................................................................100
show system power-supply......................................................................................................... 102
Fan failures and SNMP traps...................................................................................................... 106
System boot diagnostics........................................................................................................................ 106
show system post..................................................................................................................106
show system post member...................................................................................................107
show system post vsf member..........................................................................................108
Chapter 5 Port status and configuration....................................................110
Contents 5
Viewing port status and configuration.................................................................................................... 110
show interfaces.................................................................................................................... 110
Viewing transceiver information............................................................................................................. 112
The port VLAN tagged status.................................................................................................................113
Dynamically updating the show interfaces command............................................................................ 114
command name...........................................................................................................................114
Customizing the show interfaces command...........................................................................................115
show interfaces custom...............................................................................................................115
show interface smartrate............................................................................................................. 116
show interface port utilization ..................................................................................................... 116
Enabling or disabling ports and configuring port mode.......................................................................... 117
interface.......................................................................................................................................117
Basic USB port commands.................................................................................................................... 118
usb-port................................................................................................................................... 119
show usb-port........................................................................................................................ 119
Enabling or disabling flow control...........................................................................................................119
interface flow-control................................................................................................................... 120
Configuring auto-MDIX.......................................................................................................................... 121
interface mdix-mode....................................................................................................................121
show interfaces config.................................................................................................................121
show interfaces brief................................................................................................................... 122
Configuring friendly port names............................................................................................................. 123
interface name............................................................................................................................ 123
Configuring a single port name................................................................................................... 123
Configuring the same name for multiple ports............................................................................ 123
Viewing friendly port names with other port data........................................................................ 124
show name....................................................................................................................... 124
show interface.................................................................................................................. 124
show config...................................................................................................................... 124
Listing all ports or selected ports with their friendly port names............................................................ 124
show name..................................................................................................................................124
Including friendly port names in per-port statistics listings.......................................................... 125
show interface.................................................................................................................. 125
Searching the configuration for ports with friendly port names................................................... 127
show config...................................................................................................................... 127
Configuring uni-directional link detection............................................................................................... 127
interface link-keepalive................................................................................................................127
Enabling UDLD........................................................................................................................... 128
Changing the keepalive interval.................................................................................................. 128
Changing the keepalive retries....................................................................................................129
Configuring UDLD for tagged ports.............................................................................................129
Viewing UDLD information.......................................................................................................... 129
show link-keepalive.......................................................................................................... 129
clear link-keepalive......................................................................................................................130
Viewing summary information on all UDLD-enabled ports..........................................................130
Viewing detailed UDLD information for specific ports................................................................. 130
Port status and Port parameters............................................................................................................ 131
Connecting transceivers to fixed-configuration devices.............................................................. 131
Error messages associated with the show interfaces command................................................ 133
Using pattern matching with the show interfaces custom command .....................134
Auto-MDIX configurations...................................................................................................................... 134
Manual override.......................................................................................................................... 134
About using friendly port names............................................................................................................ 135
Configuring and operating rules for friendly port names............................................................. 135
Uni-directional link detection (UDLD).....................................................................................................136
Configuring UDLD....................................................................................................................... 136
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Prerequisites.................................................................................................................... 137
Uplink Failure Detection.........................................................................................................................137
Configuration Guidelines for UFD............................................................................................... 139
UFD enable/disable.....................................................................................................................139
uplink-failure-detection..................................................................................................... 139
UFD configuration....................................................................................................................... 139
uplink-failure-detection track.........................................................................139
show uplink-failure-detection...........................................................................140
Port Shutdown with Broadcast Storm.................................................................................................... 141
Configuration Commands........................................................................................................... 141
fault-finder broadcast-storm............................................................................................. 141
Viewing broadcast-storm configuration....................................................................................... 142
show fault-finder broadcast-storm.................................................................................... 143
Broadcast-storm event logs........................................................................................................ 145
Multicast Storm Control..........................................................................................................................146
Overview..................................................................................................................................... 146
fault-finder multicast-storm........................................................................................146
fault-finder multicast-storm action.........................................................................148
show running-config................................................................................................ 149
show logging.......................................................................................................................... 150
Restrictions................................................................................................................................. 150
Chapter 6 Power over ethernet (PoE/PoE+) operation............................. 151
PoE ....................................................................................................................................................... 151
PoE terminology..........................................................................................................................151
Planning and implementing a PoE configuration................................................................................... 151
Power requirements.................................................................................................................... 151
Assigning PoE ports to VLANs....................................................................................................152
Applying security features to PoE configurations........................................................................152
Assigning priority policies to PoE traffic...................................................................................... 152
PoE operation........................................................................................................................................ 152
PoE configuration options........................................................................................................... 153
PD support.................................................................................................................................. 153
PoE power priority.......................................................................................................................154
Assigning PoE priority with two or more modules............................................................ 154
About configuring PoE........................................................................................................................... 154
Disabling or re-enabling PoE port operation.......................................................................................... 156
interface...................................................................................................................................... 157
Enabling support for pre-standard devices............................................................................................ 157
power-over-ethernet....................................................................................................................157
Configuring the PoE port priority............................................................................................................157
interface...................................................................................................................................... 157
Controlling PoE allocation......................................................................................................................158
int................................................................................................................................................ 158
Manually configuring PoE power levels................................................................................................. 159
Detection status: fault..................................................................................................................160
Configuring PoE redundancy (chassis switches only)........................................................................... 160
power-over-ethernet redundancy................................................................................................ 160
Changing the threshold for generating a power notice.......................................................................... 161
power-over-ethernet slot............................................................................................................. 161
Enabling or disabling ports for allocating power using LLDP.................................................................161
int poe-lldp-detect........................................................................................................................161
Enabling PoE detection via LLDP TLV advertisement........................................................................... 162
lldp config.................................................................................................................................... 162
Negotiating power using the DLL...........................................................................................................162
Contents 7
int poe-lldp-detect........................................................................................................................162
Initiating advertisement of PoE+ TLVs................................................................................................... 164
lldp config.................................................................................................................................... 164
Temporary PoE+ power drop...................................................................................................... 164
Viewing PoE when using LLDP information...........................................................................................165
show lldp config...........................................................................................................................165
Viewing the global PoE power status of the switch................................................................................167
show power-over-ethernet.......................................................................................................... 167
Viewing PoE status on all ports..............................................................................................................168
show power-over-ethernet.......................................................................................................... 169
Viewing the PoE status on specific ports............................................................................................... 170
show power-over-ethernet.......................................................................................................... 170
Configuring thresholds for generating a power notice........................................................................... 173
PoE/PoE+ allocation using LLDP...........................................................................................................173
LLDP with PoE............................................................................................................................ 173
LLDP with PoE+..........................................................................................................................173
PoE+ with LLDP Overview............................................................................................... 173
PoE allocation.................................................................................................................. 174
Operation note............................................................................................................................ 174
Chapter 7 Port trunking............................................................................... 175
Port trunking overview........................................................................................................................... 175
Port trunk connections and configuration....................................................................................175
Viewing and configuring port trunk groups.............................................................................................176
Viewing static trunk type and group for all ports or for selected ports.........................................176
show trunks...................................................................................................................... 176
Viewing static LACP and dynamic LACP trunk data................................................................... 177
show lacp......................................................................................................................... 177
Configuring a static trunk or static LACP trunk group................................................................. 177
trunk................................................................................................................................. 177
Removing ports from a static trunk group................................................................................... 178
no trunk............................................................................................................................ 178
Enabling dynamic LACP trunk groups........................................................................................ 178
interface lacp active..........................................................................................................178
Remove ports from a dynamic LACP trunk group.......................................................................179
no interface lacp............................................................................................................... 179
Set the LACP key........................................................................................................................179
lacp...................................................................................................................................179
Specifying Minimum Active Links for LACP................................................................................ 180
lacp min-active-links............................................................................................ 180
lacp enable-timer.....................................................................................................181
show lacp min-active-links................................................................................. 182
Limitations........................................................................................................................ 183
Viewing and configuring a static trunk group (Menu).............................................................................183
Enable L4-based trunk load balancing...................................................................................................185
trunk-load-balance...................................................................................................................... 185
Viewing trunk load balancing................................................................................................................. 186
show trunks................................................................................................................................. 186
Operating notes...........................................................................................................................187
Distributed trunking................................................................................................................................ 187
Configure ISC ports.....................................................................................................................187
switch-interconnect...........................................................................................................187
Configuring distributed trunking ports......................................................................................... 188
trunk................................................................................................................................. 188
Configuring peer-keepalive links................................................................................................. 188
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distributed-trunking...........................................................................................................189
Viewing distributed trunking information......................................................................................189
show lacp distributed........................................................................................................189
show distributed-trunk...................................................................................................... 190
Viewing peer-keepalive configuration..........................................................................................191
Viewing switch interconnect........................................................................................................ 191
Port trunk operations..............................................................................................................................191
Fault tolerance ........................................................................................................................... 191
Trunk configuration methods..................................................................................................................191
Dynamic LACP trunk...................................................................................................................191
Dynamic LACP Standby Links.................................................................................................... 192
Viewing LACP Local Information.................................................................................................192
Viewing LACP Peer Information..................................................................................................192
Viewing LACP Counters..............................................................................................................193
Using keys to control dynamic LACP trunk configuration........................................................... 193
Static trunk.................................................................................................................................. 193
Operating port trunks........................................................................................................194
Show port-security log......................................................................................................196
Static or dynamic trunk group overview...................................................................................... 197
Enabling a dynamic LACP trunk group....................................................................................... 197
Dynamic LACP standby links...................................................................................................... 198
Viewing LACP local information.................................................................................................. 198
Viewing LACP peer information.................................................................................................. 199
Viewing LACP counters...............................................................................................................199
Trunk group operation using LACP........................................................................................................200
Default port operation..................................................................................................................202
LACP operating notes and restrictions........................................................................................204
802.1X (Port-based access control) configured on a port................................................ 204
Port security..................................................................................................................... 204
Changing trunking methods............................................................................................. 204
Static LACP trunks........................................................................................................... 204
Dynamic LACP trunks...................................................................................................... 205
VLANs and dynamic LACP.............................................................................................. 205
Blocked ports with older devices...................................................................................... 205
Spanning Tree and IGMP.................................................................................................206
Half-duplex, different port speeds, or both not allowed in LACP trunks........................... 206
Dynamic/static LACP interoperation.................................................................................206
Trunk group operation using the "trunk" option......................................................................................206
Viewing trunk data on the switch............................................................................................................207
Outbound traffic distribution across trunked links.................................................................................. 207
Trunk load balancing using Layer 4 ports.............................................................................................. 208
Distributed trunking overview.................................................................................................................208
Distributed trunking interconnect protocol...................................................................................210
Configuring distributed trunking.................................................................................................. 210
Configuring peer-keepalive links............................................................................................................ 211
Maximum DT trunks and links supported....................................................................................212
Forwarding traffic with distributed trunking and spanning tree....................................................213
Forwarding unicast traffic................................................................................................. 213
Forwarding broadcast, multicast, and unknown traffic .................................................... 214
IP routing and distributed trunking.............................................................................................. 215
Distributed trunking restrictions...................................................................................................217
Updating software versions with DT...................................................................................................... 218
Chapter 8 Port Traffic Controls................................................................... 221
ICMP rate-limiting.................................................................................................................................. 221
Contents 9
Guidelines for configuring ICMP rate-limiting..............................................................................221
Configuring ICMP rate-limiting.................................................................................................... 222
Using both ICMP rate-limiting and all-traffic rate-limiting on the same interface.........................223
Viewing the current ICMP rate-limit configuration....................................................................... 223
Operating notes for ICMP rate-limiting........................................................................................224
ICMP rate-limiting trap and Event Log messages.......................................................................225
Determining the switch port number used in ICMP port reset commands....................... 225
Configuring inbound rate-limiting for broadcast and multicast traffic.......................................... 226
Operating Notes............................................................................................................... 228
Guaranteed minimum bandwidth (GMB)............................................................................................... 228
GMB operation............................................................................................................................ 228
Impacts of QoS queue configuration on GMB operation..................................................229
Configuring GMB for outbound traffic...............................................................................230
Viewing the current GMB configuration............................................................................232
GMB operating notes.................................................................................................................. 233
Impact of QoS queue configuration on GMB commands................................................. 233
Rate-limiting Unknown Unicast Traffic................................................................................................... 233
rate-limit unknown-unicast in percent.................................................................... 233
rate-limit unknown-unicast in kbps...........................................................................234
show rate-limit unknown-unicast................................................................................. 235
Jumbo frames........................................................................................................................................ 236
Operating rules............................................................................................................................236
Jumbo traffic-handling...................................................................................................... 237
Configuring jumbo frame operation.............................................................................................238
Overview.......................................................................................................................... 238
Viewing the current jumbo configuration.......................................................................... 238
Enabling or disabling jumbo traffic on a VLAN................................................................. 240
Configuring a maximum frame size.............................................................................................240
Configuring IP MTU..........................................................................................................241
SNMP implementation......................................................................................................241
Displaying the maximum frame size.................................................................................241
Operating notes for maximum frame size........................................................................ 241
Troubleshooting...........................................................................................................................242
A VLAN is configured to allow jumbo frames, but one or more ports drops all inbound
jumbo frames....................................................................................................................242
A non-jumbo port is generating "Excessive undersize/giant frames" messages in the
Event Log......................................................................................................................... 242
Fault Finder............................................................................................................................................242
Fault Finder thresholds............................................................................................................... 243
Enabling Fault Finder.................................................................................................................. 243
Chapter 9 Configuring for Network Management Applications...............247
Configuring the switch to filter untagged traffic...................................................................................... 247
ignore-untagged-mac.................................................................................................................. 247
Viewing configuration file change information........................................................................................247
show running-config.................................................................................................................... 247
Minimal interval for successive data change notifications..................................................................... 249
setmib..........................................................................................................................................249
Viewing the current port speed and duplex configuration on a switch port............................................249
show interfaces........................................................................................................................... 250
Viewing the configuration.......................................................................................................................251
show running-config.................................................................................................................... 251
RMON advanced management............................................................................................................. 251
rmon alarm.................................................................................................................................. 252
Configuring UDLD verify before forwarding........................................................................................... 255
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UDLD time delay......................................................................................................................... 255
Restrictions.......................................................................................................................255
UDLD configuration commands.................................................................................................. 255
link-keepalive mode..........................................................................................................256
show link-keepalive..................................................................................................................... 256
RMON generated when user changes UDLD mode................................................................... 257
MAC configurations................................................................................................................................257
Configuring the MAC address count option................................................................................ 257
snmp-server mac-count-notify..........................................................................................257
Configuring the MAC address table change option.....................................................................257
snmp-server mac-notify....................................................................................................258
Per-port MAC change options for mac-notify.............................................................................. 258
mac-notify traps................................................................................................................258
Viewing the mac-count-notify option........................................................................................... 259
show mac-count-notify..................................................................................................... 259
Viewing mac-notify traps configuration........................................................................................261
show mac-notify traps...................................................................................................... 261
Configuring sFlow.................................................................................................................................. 261
sflow............................................................................................................................................ 262
sFlow Configuring multiple instances..........................................................................................263
Viewing sFlow Configuration and Status.....................................................................................263
show sflow agent..............................................................................................................263
show snmpv3 user...................................................................................................................... 265
Configuring SNMP................................................................................................................................. 266
Network security notifications......................................................................................................266
SNMP traps on running configuration changes................................................................266
Source IP address for SNMP notifications....................................................................... 267
Listening mode................................................................................................................. 267
Group access levels....................................................................................................................267
SNMPv3 communities...................................................................................................... 269
SNMPv2c informs....................................................................................................................... 269
SNMP notifications......................................................................................................................269
Supported Notifications.................................................................................................... 270
Configuring SNMP notifications........................................................................................270
SNMPv1 and SNMPv2c Traps......................................................................................... 270
SNMPv3 users............................................................................................................................ 277
Adding users.................................................................................................................... 278
SNMP tools for switch management........................................................................................... 278
SNMP management features........................................................................................... 278
SNMPv1 and v2c access to the switch............................................................................ 279
SNMPv3 access to the switch.......................................................................................... 279
Enabling SNMPv3....................................................................................................................... 280
Configuring users in SNMPv3..................................................................................................... 281
snmpv3 user.....................................................................................................................281
Switch access from SNMPv3 agents.......................................................................................... 281
snmpv3 enable................................................................................................................. 281
Restrict access from SNMPv3 agents.........................................................................................281
snmpv3 only..................................................................................................................... 281
Restrict non-SNMPv3 agents to read-only access......................................................................282
snmpv3 restricted-access.................................................................................................282
Operating status of SNMPv3.......................................................................................................282
show snmpv3................................................................................................................... 282
Non-SNMPv3 message reception status.................................................................................... 282
show snmpv3 only............................................................................................................282
Non-SNMPv3 write message status........................................................................................... 282
show snmpv3 restricted-access....................................................................................... 282
Viewing and configuring non-version-3 SNMP communities (Menu).......................................... 282
Contents 11
SNMP trap receiver configuration............................................................................................... 283
snmp-server host..............................................................................................................283
SNMPv2c inform option.............................................................................................................. 284
snmp-server host..............................................................................................................284
Configuring SNMPv3 notifications (CLI)......................................................................................285
SNMPv3 community mapping.....................................................................................................288
snmpv3 community.......................................................................................................... 288
Running configuration changes and SNMP traps....................................................................... 289
Startup configuration changes and SNMP traps......................................................................... 289
snmp-server enable traps startup-config-change.............................................................290
Source IP address for SNMP notifications.................................................................................. 291
snmp-server response-source..........................................................................................291
snmp-server trap-source.................................................................................................. 292
SNMP replies and traps configuration.........................................................................................293
SNMP notification configuration.................................................................................................. 293
show snmp-server............................................................................................................ 293
Assign users to groups................................................................................................................294
snmpv3 group...................................................................................................................294
snmp-server community..............................................................................................................295
Community names and values....................................................................................................296
Enabling or disabling notification/traps for network security failures and other security events
(CLI)............................................................................................................................................ 297
Viewing the current configuration for network security notifications (CLI)...................................298
Link-Change Traps......................................................................................................................299
snmp-server enable traps link-change............................................................................. 299
Viewing SNMP notification configuration (CLI)............................................................................299
Listening mode............................................................................................................................300
snmp-server listen............................................................................................................ 300
CDP configuration..................................................................................................................................301
CDP mode...................................................................................................................................301
cdp moden........................................................................................................................301
CDPv2 for voice transmission..................................................................................................... 301
cdp mode pre-standard-voice...........................................................................................302
CDP operation on individual ports...............................................................................................303
cdp enable........................................................................................................................303
CDP Operation............................................................................................................................304
cdp run............................................................................................................................. 304
CDP information filter.................................................................................................................. 304
CDP switch configuration view....................................................................................................304
show cdp.......................................................................................................................... 304
CDP neighbors switch table view................................................................................................305
show cdp neighbors......................................................................................................... 305
LLDP configuration................................................................................................................................ 306
LLDP and CDP data management..............................................................................................306
LLDP and CDP neighbor data..........................................................................................306
CDP operations................................................................................................................ 307
LLDP........................................................................................................................................... 307
LLDP operations...............................................................................................................308
Packet boundaries in a network topology.........................................................................308
LLDP operation configuration options.............................................................................. 308
Transmit and receive mode..............................................................................................309
Options for reading LLDP information collected by the switch......................................... 311
LLDP and LLDP-MED standards compatibility.................................................................311
Port trunking..................................................................................................................... 311
IP address advertisements............................................................................................... 311
Spanning-tree blocking.....................................................................................................312
802.1X blocking................................................................................................................312
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LLDP operation on the switch.......................................................................................... 312
Time-to-Live for transmitted advertisements.................................................................... 312
Delay interval between advertisements............................................................................312
Re-initialize delay interval.................................................................................................313
SNMP notification support................................................................................................313
Changing the minimum interval........................................................................................313
Basic LLDP per-port advertisement content.....................................................................313
Port VLAN ID TLV support on LLDP.................................................................................314
LLDP-MED.................................................................................................................................. 314
LLDP-MED classes.......................................................................................................... 316
LLDP-MED operational support....................................................................................... 316
Configuring per-port transmit and receive modes....................................................................... 316
lldp admin-status.............................................................................................................. 317
Remote management address for outbound LLDP advertisements........................................... 317
lldp config ipAddrEnable...................................................................................................317
lldp config basicTlvEnable................................................................................................318
Port speed and duplex advertisement support............................................................................318
lldp config dot3TlvEnable................................................................................................. 319
Location data for LLDP-MED devices......................................................................................... 319
lldp config medPortLocation............................................................................................. 319
LLDP data change notification for SNMP trap receivers.............................................................320
lldp enable-notification......................................................................................................320
LLDP operation on the switch..................................................................................................... 321
lldp run..............................................................................................................................321
LLDP-MED fast start control....................................................................................................... 321
lldp fast-start-count...........................................................................................................321
Changing the packet transmission interval................................................................................. 322
lldp refresh-interval...........................................................................................................322
Changing the time-to-live for transmitted advertisements...........................................................322
lldp holdtime-multiplier......................................................................................................322
Delay interval ............................................................................................................................. 322
set mib lldpTxDelay.0....................................................................................................... 323
Changing the reinitialization delay interval..................................................................................323
setmib lldpReinitDelay.0................................................................................................... 323
PVID mismatch log messages.................................................................................................... 324
logging filter...................................................................................................................... 324
Viewing port configuration details................................................................................................324
show lldp config................................................................................................................324
Available switch information available outbound advertisements............................................... 325
show lldp info local-device................................................................................................325
LLDP statistics............................................................................................................................ 327
show lldp stats..................................................................................................................327
Global LLDP, port admin, and SNMP notification status.............................................................329
show lldp config................................................................................................................329
LLDP-MED connects and disconnects—topology change notification....................................... 329
lldp top-change-notify....................................................................................................... 330
Device capability, network policy, PoE status and location data................................................. 330
Network policy advertisements.........................................................................................330
Policy elements................................................................................................................ 331
PoE advertisements......................................................................................................... 331
Location data for LLDP-MED devices.............................................................................. 332
Viewing the current port speed and duplex configuration................................................ 334
Viewing LLDP statistics.................................................................................................... 334
LLDP over OOBM............................................................................................................ 334
LLDP operating notes.......................................................................................................339
Advertisements currently in the neighbors MIB...........................................................................340
show lldp info remote-device............................................................................................340
Contents 13
PoE advertisements.................................................................................................................... 341
show lldp info remote-device............................................................................................342
show power...................................................................................................................... 342
Overview................................................................................................................................................ 342
Commands.............................................................................................................................................342
[no] lldp config basicTlvEnable management_addr.................................................................... 342
lldp config.................................................................................................................................... 343
Show commands................................................................................................................................... 343
TVL configuration...................................................................................................................................344
VLAN ID TLV...............................................................................................................................344
lldp config dot1T1vEnable................................................................................................ 344
Advertised TLVs.......................................................................................................................... 344
show lldp config................................................................................................................344
TLVs controlled by medTLvEnable..............................................................................................346
lldp config medTlvEnable................................................................................................. 346
Generic header ID in configuration file...................................................................................................347
DHCP auto deployment.............................................................................................................. 347
Add-Ignore-Tag option.................................................................................................................347
Configuration commands for the add-ignore-tag option..............................................................348
Show logging commands for the add-ignore-tag option..............................................................348
Exclusions................................................................................................................................... 348
Chapter 10 DHCPv4 server..........................................................................349
Overview................................................................................................................................................ 349
IP pools.................................................................................................................................................. 349
DHCP options........................................................................................................................................ 349
BootP support........................................................................................................................................ 349
Authoritative server and support for DHCP inform packets................................................................... 349
Authoritative pools................................................................................................................................. 350
Authoritative dummy pools.....................................................................................................................350
Change in server behavior.....................................................................................................................350
DHCPv4 configuration commands.........................................................................................................351
DHCPv4 server........................................................................................................................... 351
dhcp-server...................................................................................................................... 351
DHCP address pool name.......................................................................................................... 351
dhcp-server pool...............................................................................................................351
Authoritative..................................................................................................................... 353
DHCP client boot file................................................................................................................... 353
bootfile-name ...................................................................................................................353
DHCP client default router.......................................................................................................... 353
default-router.................................................................................................................... 353
DNS IP servers .......................................................................................................................... 353
dns-server........................................................................................................................ 354
Configure a domain name...........................................................................................................354
domain-name................................................................................................................... 354
Configure lease time................................................................................................................... 354
lease.................................................................................................................................354
NetBIOS WINS servers...............................................................................................................354
NetBIOS node type..................................................................................................................... 355
net bios-ode-type..............................................................................................................355
Subnet and mask ....................................................................................................................... 355
network.............................................................................................................................355
DHCP server options.................................................................................................................. 355
Configure DHCP server options....................................................................................... 355
IP address range.........................................................................................................................357
14 Aruba 3810 / 5400R Management and Configuration Guide for
ArubaOS-Switch 16.08
range................................................................................................................................ 357
Static bindings.............................................................................................................................357
static-bind......................................................................................................................... 357
TFTP server domain name......................................................................................................... 357
tftp-server......................................................................................................................... 358
Configure the TFTP server address............................................................................................358
tftp-server......................................................................................................................... 358
Number of ping packets.............................................................................................................. 358
dhcp-server ping...............................................................................................................358
Save DHCP server automatic bindings.......................................................................................359
dhcp-server database.......................................................................................................359
DHCP server and SNMP notifications.........................................................................................359
snmp-server enable traps.................................................................................................359
Conflict logging on a DHCP server............................................................................................. 359
dhcp-server conflict-logging............................................................................................. 360
Enable the DHCP server on a VLAN.......................................................................................... 360
dhcp-server...................................................................................................................... 360
Clear commands......................................................................................................................... 360
clear dhcp-server conflicts................................................................................................360
Reset all DHCP server and BOOTP counters.............................................................................360
clear dhcp-server statistics...............................................................................................360
Delete an automatic address binding..........................................................................................361
clear dhcp-server statistics...............................................................................................361
Show commands................................................................................................................................... 361
show dhcp-server........................................................................................................................361
Event log................................................................................................................................................ 362
Event Log Messages...................................................................................................................362
Chapter 11 DHCPv6 server.......................................................................... 365
DHCPv6 hardware address................................................................................................................... 365
DHCPv6 snooping and relay..................................................................................................................365
dhcpv6–snooping........................................................................................................................ 365
dhcpv6 snooping trust................................................................................................................. 366
dhcpv6–snooping authorized-server........................................................................................... 367
ddhcpv6–snooping database file.................................................................................................367
dhcpv6–snooping max-bindings..................................................................................................368
dhcpv6–relay option 79............................................................................................................... 369
snmp-server enable traps dhcpv6-snooping............................................................................... 369
clear dhcpv6–snooping stats.......................................................................................................370
debug security dhcpv6–snooping................................................................................................370
ipv6 source-lockdown ethernet................................................................................................... 370
ipv6 source-binding..................................................................................................................... 372
snmp-server enable traps dyn-ipv6-lockdown.............................................................................373
debug security dynamic-ipv6-lockdown...................................................................................... 374
Show commands for DHCPv6–snooping...............................................................................................374
show dhcpv6-snooping............................................................................................................... 374
show dhcpv6 snooping bindings................................................................................................. 374
show dhcpv6 snooping statistics.................................................................................................374
show ipv6 source-lockdown........................................................................................................ 375
show ipv6 source-lockdown status .............................................................................................375
show snmp-server traps..............................................................................................................376
show distributed-trunking consistency-parameters..................................................................... 376
show distributed-trunking consistency-parameters..................................................................... 377
show dhcpv6 relay...................................................................................................................... 378
DHCPv6 event log................................................................................................................................. 379
Contents 15
DHCPv6 event messages......................................................................................................................383
Chapter 12 Zero Touch Provisioning with AirWave and Central............. 385
ZTP with AirWave.................................................................................................................................. 385
DHCP-based ZTP with AirWave................................................................................................. 385
Configuring DHCP-based ZTP with AirWave................................................................... 386
DHCP server configuration for DHCP based ZTP............................................................387
Limitations................................................................................................................................... 401
Best Practices............................................................................................................................. 401
Configure AirWave details manually........................................................................................... 401
amp-server....................................................................................................................... 402
debug ztp..........................................................................................................................404
Stacking support......................................................................................................................... 404
Disabling ZTP..............................................................................................................................404
Image Upgrade........................................................................................................................... 405
Troubleshooting...........................................................................................................................405
AMP server messages..................................................................................................... 405
Activate based ZTP with AirWave...............................................................................................405
Configuring Activate-based ZTP with AirWave.................................................................405
IPsec for AirWave Connectivity..............................................................................................................406
Overview..................................................................................................................................... 406
IPsec for Management Traffic.......................................................................................... 406
IPsec Tunnel Establishment.............................................................................................407
IPsec Tunnel Failures.......................................................................................................408
IPsec tunnel to secondary controller................................................................................ 408
AirWave IP after discovery............................................................................................... 411
Configuring the Aruba controller.......................................................................................411
AirWave Controller IP configuration commands..........................................................................411
aruba-vpn type........................................................................................................... 411
Show commands.........................................................................................................................412
show aruba-vpn................................................................................................................412
show ip route.................................................................................................................... 413
show interfaces tunnel aruba-vpn.................................................................................... 413
show crypto-ipsec sa........................................................................................................414
show running-configuration.............................................................................................. 415
ZTP with Aruba Central..........................................................................................................................416
LED Blink feature........................................................................................................................ 417
Aruba Central Configuration manually........................................................................................ 417
Activating ArubaOS-Switch Firmware Integration............................................................ 417
activate software-update enable...................................................................................... 418
activate software-update check........................................................................................418
activate software-update update...................................................................................... 419
show activate software-update.........................................................................................419
Show activate provision....................................................................................................420
aruba-central.................................................................................................................... 422
Troubleshooting...........................................................................................................................423
Show aruba-central.......................................................................................................... 423
Error reason for Aruba Central......................................................................................... 424
debug ztp..........................................................................................................................426
Error Reason log for Activate Provision........................................................................... 426
Stacking support......................................................................................................................... 427
Fault finder switch events............................................................................................................427
interface device-type network-device.......................................................................427
HTTP Proxy support with ZTP overview................................................................................................ 428
e Proxy Configuration..................................................................................................................428
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proxy server.......................................................................................................................... 434
proxy exception ip | host.............................................................................................. 434
show proxy config................................................................................................................435
Chapter 13 File transfers............................................................................. 436
File transfer methods............................................................................................................................. 436
TFTP...................................................................................................................................................... 436
Prerequisites............................................................................................................................... 436
Downloading switch software......................................................................................................436
copy tftp flash................................................................................................................... 437
boot system flash............................................................................................................. 437
reload............................................................................................................................... 437
Enabling tftp................................................................................................................................ 438
tftp ................................................................................................................................... 438
Automatic software download from a TFTP server..................................................................... 439
auto-tftp............................................................................................................................ 439
Downloading to primary flash using TFTP.................................................................................. 440
Disabling TFTP and auto-TFTP for enhanced security...............................................................441
Enabling SSH V2 (required for SFTP)..............................................................................443
Authentication...................................................................................................................444
Troubleshooting SSH, SFTP, and SCP operations.......................................................... 445
Use USB to transfer files to and from the switch..............................................................446
SCP and SFTP...................................................................................................................................... 447
Enabling SCP and SFTP.............................................................................................................447
Using SCP and SFTP................................................................................................................. 447
Xmodem.................................................................................................................................................448
Downloading software using Xmodem........................................................................................448
Prerequisites.................................................................................................................... 449
Downloading to Flash.......................................................................................................449
Downloading to primary flash using Xmodem (Menu)................................................................ 450
USB........................................................................................................................................................451
Downloading switch software using USB....................................................................................451
Enable or disable the USB port........................................................................................ 451
Prerequisites.................................................................................................................... 451
USB port status........................................................................................................................... 451
show usb-port............................................................................................................. 451
......................................................................................................................................... 452
Switch to Switch.....................................................................................................................................452
Switch-to-switch download..........................................................................................................452
OS download from another switch................................................................................... 452
copy tftp flash................................................................................................................... 453
copy tftp flash os ............................................................................................................. 453
Copying..................................................................................................................................................454
Software images......................................................................................................................... 454
copy flash tftp................................................................................................................... 454
copy flash xmodem.......................................................................................................... 454
Copying using USB.......................................................................................................... 455
Copying diagnostic data to a remote host, USB device, PC, or UNIX workstation..................... 455
copy command-output......................................................................................................455
copy command-log........................................................................................................... 456
copy event-log.................................................................................................................. 456
copy crash-data................................................................................................................457
copy crash-data (redundant management)...................................................................... 457
copy crash-log.................................................................................................................. 458
copy crash-log (redundant management)........................................................................ 458
Contents 17
copy core-dump (standby module)..............................................................................................459
copy fdr-log.......................................................................................................................460
Copy diagnostic data to a remote host, USB device, PC or UNIX workstation...........................460
Transferring............................................................................................................................................460
Switch configuration transfer.......................................................................................................461
TFTP ............................................................................................................................... 461
Xmodem .......................................................................................................................... 463
USB.................................................................................................................................. 464
ACL command file transfer..........................................................................................................465
tftp.................................................................................................................................... 465
Xmodem........................................................................................................................... 466
USB.................................................................................................................................. 467
Switch software download..................................................................................................................... 467
Switch software download rules..................................................................................................468
TFTP download failures................................................................................................... 468
Single copy command............................................................................................................................469
copy source.................................................................................................................................469
copy crash-files........................................................................................................................... 472
copy crash-files member............................................................................................................. 472
copy crash-files crash-file-options...............................................................................................473
Chapter 14 Monitoring and Analyzing Switch Operation......................... 474
Switch and network operations.............................................................................................................. 474
Status and counters data....................................................................................................................... 474
show system .............................................................................................................................. 474
chassislocate....................................................................................................................475
Chassislocate at startup................................................................................................... 476
Collecting processor data with the task monitor..........................................................................477
task-monitor cpu...............................................................................................................477
Switch management address information access.......................................................................477
show management........................................................................................................... 477
Component information views.....................................................................................................477
show modules.................................................................................................................. 478
Compatibility mode for v2 zl and zl modules..........................................................................................479
allow-v1-modules........................................................................................................................ 479
Port status..............................................................................................................................................480
show interfaces brief................................................................................................................... 480
Accessing port and trunk group statistics.............................................................................................. 480
Trunk bandwidth utilization..........................................................................................................480
show interfaces......................................................................................................... 480
show interfaces trunk-utilization.................................................................. 482
Statistic interactions of interface counters........................................................................483
Reset port counters.....................................................................................................................484
clear statics............................................................................................................. 484
MAC address tables...............................................................................................................................485
MAC address views and searches..............................................................................................485
show mac-address.......................................................................................................485
show mac-add detail................................................................................................ 486
show mac-address <MAC-ADDRESS> detail..........................................................487
Using the menu to view and search MAC addresses.......................................................487
Finding the port connection for a specific device on a VLAN........................................... 488
Viewing and searching port-level MAC addresses...........................................................489
Determining whether a specific device is connected to the selected port........................ 490
MSTP data............................................................................................................................................. 490
show spanning-tree.....................................................................................................................490
18 Aruba 3810 / 5400R Management and Configuration Guide for
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IP IGMP status.......................................................................................................................................491
show ip igmp............................................................................................................................... 491
VLAN information...................................................................................................................................493
show vlan.................................................................................................................................... 493
WebAgent status information.................................................................................................................495
Configuring local mirroring..................................................................................................................... 495
Local mirroring sessions............................................................................................................. 496
Traffic-direction criteria................................................................................................................496
interface monitor all.......................................................................................................... 496
ACL criteria for inbound traffic — deprecated............................................................................. 496
interface monitor ip...........................................................................................................497
Mirror policy for inbound traffic....................................................................................................497
class [ipv4|ipv6]................................................................................................................ 497
policy mirror......................................................................................................................497
MAC-based criteria to select traffic............................................................................................. 497
monitor mac......................................................................................................................497
Remote mirroring destination on a remote switch..................................................................................498
Remote mirroring destination on a local switch..................................................................................... 498
mirror remote ip...........................................................................................................................498
Local mirroring destination on the local switch...................................................................................... 498
mirror port....................................................................................................................................498
Monitored traffic..................................................................................................................................... 498
interface...................................................................................................................................... 499
monitor all....................................................................................................................................499
service-policy.............................................................................................................................. 499
Configuring local mirroring (Menu).........................................................................................................499
Destination mirror on a remote switch................................................................................................... 501
mirror endpoint............................................................................................................................ 501
Source mirror on the local switch...........................................................................................................502
mirror remote ip...........................................................................................................................502
Traffic-direction criteria...........................................................................................................................502
Configure ACL criteria to select inbound............................................................................................... 502
interface monitor ip access-group............................................................................................... 502
Mirror policy for inbound traffic...............................................................................................................502
class [ipv4|ipv6]...........................................................................................................................502
policy mirror.................................................................................................................................503
Configuring a destination switch in a remote mirroring session.............................................................503
Configuring a source switch in a local mirroring session....................................................................... 504
Configuring a source switch in a remote mirroring session................................................................... 504
Selecting all traffic on a port interface for mirroring according to traffic direction...................................506
Selecting all traffic on a VLAN interface for mirroring according to traffic direction............................... 507
Configuring a MAC address to filter mirrored traffic on an interface...................................................... 507
Configuring classifier-based mirroring................................................................................................... 508
Applying a mirroring policy on a port or VLAN interface............................................................. 510
Viewing a classifier-based mirroring configuration.................................................................................510
Viewing all mirroring sessions configured on the switch........................................................................ 511
Viewing the remote endpoints configured on the switch........................................................................512
Viewing the mirroring configuration for a specific session..................................................................... 513
Viewing a remote mirroring session.......................................................................................................514
Viewing a MAC-based mirroring session............................................................................................... 515
Viewing a local mirroring session...........................................................................................................515
Viewing information on a classifier-based mirroring session................................................................. 516
Viewing information about a classifier-based mirroring configuration....................................................516
Viewing information about a classifier-based mirroring configuration....................................................517
Viewing information about statistics on one or more mirroring policies................................................. 517
Viewing resource usage for mirroring policies....................................................................................... 518
Viewing the mirroring configurations in the running configuration file....................................................519
Contents 19
Compatibility mode................................................................................................................................ 520
Port and trunk group statistics and flow control status...........................................................................521
Traffic mirroring overview.......................................................................................................................521
Mirroring overview.......................................................................................................................521
Mirroring destinations..................................................................................................................522
Mirroring sources and sessions.................................................................................................. 522
Mirroring sessions....................................................................................................................... 522
Mirroring session limits.....................................................................................................523
Selecting mirrored traffic...................................................................................................523
Mirrored traffic destinations.........................................................................................................523
Local destinations.............................................................................................................523
Remote destinations.........................................................................................................524
Monitored traffic sources.............................................................................................................524
Criteria for selecting mirrored traffic............................................................................................ 524
Mirroring configuration................................................................................................................ 524
Remote mirroring endpoint and intermediate devices.................................................................525
Migration to release K.12.xx........................................................................................................525
Booting from software versions earlier than K.12.xx........................................................ 525
Maximum supported frame size....................................................................................... 525
Frame truncation.............................................................................................................. 525
Migration to release K.14.01 or greater.......................................................................................526
Using the Menu to configure local mirroring.......................................................................................... 526
Menu and WebAgent limits......................................................................................................... 526
Remote mirroring overview.................................................................................................................... 527
Quick reference to remote mirroring setup..................................................................................527
High-level overview of the mirror configuration process........................................................................ 528
Determine the mirroring session and destination........................................................................528
For a local mirroring session............................................................................................ 528
For a remote mirroring session........................................................................................ 528
Configure a mirroring destination on a remote switch.................................................................528
Configure a destination switch in a remote mirroring session.......................................... 529
Configure a mirroring session on the source switch................................................................... 529
Configure a source switch in a remote mirroring session.................................................529
Configure the monitored traffic in a mirror session......................................................................529
Traffic selection options....................................................................................................529
Mirroring-source restrictions.............................................................................................530
About selecting all inbound/outbound traffic to mirror............................................................................530
Untagged mirrored packets.........................................................................................................530
About using SNMP to configure no-tag-added ........................................................... 531
Operating notes................................................................................................................531
About selecting inbound traffic using an ACL (deprecated)........................................................ 532
About selecting inbound/outbound traffic using a MAC address.................................................532
About selecting inbound traffic using advanced classifier-based mirroring.................................533
Classifier-based mirroring configuration................................................................................................ 534
Classifier-based mirroring restrictions.........................................................................................536
About applying multiple mirroring sessions to an interface......................................................... 537
Mirroring configuration examples................................................................................................ 538
Maximum supported frame size.............................................................................................................542
Enabling jumbo frames to increase the mirroring path MTU.......................................................542
Effect of downstream VLAN tagging on untagged, mirrored traffic........................................................543
Operating notes for traffic mirroring.............................................................................................543
Troubleshooting traffic mirroring............................................................................................................ 545
Chapter 15 Virtual Technician..................................................................... 546
Cisco Discovery Protocol (CDP)............................................................................................................ 546
20 Aruba 3810 / 5400R Management and Configuration Guide for
ArubaOS-Switch 16.08
show cdp traffic........................................................................................................................... 546
clear cdp counters.......................................................................................................................546
show cdp neighbors detail...........................................................................................................547
Enable/Disable debug tracing for MOCANA code................................................................................. 547
debug security ............................................................................................................................547
User diagnostic crash via Front Panel Security (FPS) button................................................................547
front-panel-security password-clear............................................................................................ 548
front-panel-security diagnostic-reset........................................................................................... 548
show front-panel-security............................................................................................................ 549
Diagnostic table...........................................................................................................................550
Validation rules............................................................................................................................551
FPS Error Log............................................................................................................................. 551
User initiated diagnostic crash via the serial console............................................................................ 553
front-panel-security diagnostic-reset serial-console....................................................................553
Serial console error messages....................................................................................................554
Chapter 16 Troubleshooting........................................................................555
Overview................................................................................................................................................ 555
Troubleshooting approaches..................................................................................................................555
Browser or Telnet access problems....................................................................................................... 556
Cannot access the WebAgent.....................................................................................................556
Cannot Telnet into the switch console from a station on the network......................................... 556
Unusual network activity........................................................................................................................ 557
General problems........................................................................................................................557
The network runs slow; processes fail; users cannot access servers or other devices... 557
Duplicate IP addresses.................................................................................................... 557
Duplicate IP addresses in a DHCP network.....................................................................557
The switch has been configured for DHCP/Bootp operation, but has not received a
DHCP or Bootp reply........................................................................................................558
802.1Q Prioritization problems....................................................................................................558
Ports configured for non-default prioritization (level 1 to 7) are not performing the
specified action.................................................................................................................558
Addressing ACL problems.......................................................................................................... 558
ACLs are properly configured and assigned to VLANs, but the switch is not using the
ACLs to filter IP layer 3 packets....................................................................................... 558
The switch does not allow management access from a device on the same VLAN........ 559
Error (Invalid input) when entering an IP address............................................................ 559
Apparent failure to log all "deny" matches........................................................................559
The switch does not allow any routed access from a specific host, group of hosts, or
subnet...............................................................................................................................560
The switch is not performing routing functions on a VLAN...............................................560
Routing through a gateway on the switch fails................................................................. 560
IGMP-related problems............................................................................................................... 561
IP multicast (IGMP) traffic that is directed by IGMP does not reach IGMP hosts or a
multicast router connected to a port................................................................................. 561
IP multicast traffic floods out all ports; IGMP does not appear to filter traffic................... 561
LACP-related problems...............................................................................................................561
Unable to enable LACP on a port with the interface <port-number> lacp
command .........................................................................................................................562
Port-based access control (802.1X)-related problems................................................................562
The switch does not receive a response to RADIUS authentication requests................. 562
The switch does not authenticate a client even though the RADIUS server is properly
configured and providing a response to the authentication request.................................562
During RADIUS-authenticated client sessions, access to a VLAN on the port used for
the client sessions is lost..................................................................................................562
Contents 21
The switch appears to be properly configured as a supplicant, but cannot gain access
to the intended authenticator port on the switch to which it is connected........................ 563
The supplicant statistics listing shows multiple ports with the same authenticator MAC
address.............................................................................................................................563
The show port-access authenticator <port-list> command shows one
or more ports remain open after they have been configured with control
unauthorized ...............................................................................................................563
RADIUS server fails to respond to a request for service, even though the server's IP
address is correctly configured in the switch....................................................................563
The authorized MAC address on a port that is configured for both 802.1X and port
security either changes or is re-acquired after execution of aaa port-access
authenticator <port-list> initialize ..........................................................564
A trunked port configured for 802.1X is blocked.............................................................. 564
QoS-related problems................................................................................................................. 564
Loss of communication when using VLAN-tagged traffic................................................. 564
Radius-related problems............................................................................................................. 564
The switch does not receive a response to RADIUS authentication requests................. 564
RADIUS server fails to respond to a request for service, even though the server's IP
address is correctly configured in the switch....................................................................565
MSTP and fast-uplink problems.................................................................................................. 565
Broadcast storms appearing in the network..................................................................... 565
STP blocks a link in a VLAN even though there are no redundant links in that VLAN.....565
Fast-uplink troubleshooting.............................................................................................. 566
SSH-related problems.................................................................................................................566
Switch access refused to a client..................................................................................... 566
Executing IP SSH does not enable SSH on the switch....................................................566
Switch does not detect a client's public key that does appear in the switch's public
key file (show ip client-public-key) ....................................................................566
An attempt to copy a client public-key file into the switch has failed and the switch
lists one of the following messages..................................................................................566
Client ceases to respond ("hangs") during connection phase..........................................567
TACACS-related problems..........................................................................................................567
Event Log......................................................................................................................... 567
All users are locked out of access to the switch...............................................................567
No communication between the switch and the TACACS+ server application................ 567
Access is denied even though the username/password pair is correct............................568
Unknown users allowed to login to the switch..................................................................568
System allows fewer login attempts than specified in the switch configuration................568
TimeP, SNTP, or Gateway problems........................................................................................... 568
The switch cannot find the time server or the configured gateway.................................. 568
VLAN-related problems...............................................................................................................568
Monitor port...................................................................................................................... 568
None of the devices assigned to one or more VLANs on an 802.1Q-compliant switch
are being recognized........................................................................................................569
Link configured for multiple VLANs does not support traffic for one or more VLANs.......569
Duplicate MAC addresses across VLANs........................................................................ 569
Fan failure................................................................................................................................... 570
Mitigating flapping transceivers...................................................................................................570
Fault Finder thresholds.....................................................................................................571
Viewing transceiver information............................................................................................................. 574
Viewing information about transceivers (CLI)..............................................................................576
MIB support.................................................................................................................................576
Viewing transceiver information.................................................................................................. 576
Information displayed with the detail parameter...............................................................577
Viewing transceiver information for copper transceivers with VCT support................................ 581
Testing the Cable..............................................................................................................581
22 Aruba 3810 / 5400R Management and Configuration Guide for
ArubaOS-Switch 16.08
Using the Event Log for troubleshooting switch problems..................................................................... 583
Event Log entries........................................................................................................................ 583
Using the Menu........................................................................................................................... 584
Using the CLI.............................................................................................................................. 585
Clearing Event Log entries..........................................................................................................586
Turning event numbering on....................................................................................................... 586
Using log throttling to reduce duplicate Event Log and SNMP messages.................................. 586
Log throttle periods...........................................................................................................586
Example: of event counter operation................................................................................588
Reporting information about changes to the running configuration.............................................588
Debug/syslog operation......................................................................................................................... 589
Debug/syslog messaging............................................................................................................ 589
Hostname in syslog messages................................................................................................... 589
Logging origin-id...............................................................................................................590
Viewing the identification of the syslog message sender................................................. 592
SNMP MIB........................................................................................................................593
Debug/syslog destination devices...............................................................................................593
Debug/syslog configuration commands...................................................................................... 594
Configuring debug/syslog operation............................................................................................594
Viewing a debug/syslog configuration.............................................................................. 595
Debug command.........................................................................................................................597
Debug messages............................................................................................................. 598
Debug destinations...........................................................................................................598
Logging command.......................................................................................................................598
Configuring a syslog server..............................................................................................599
Adding a description for a Syslog server.....................................................................................602
Adding a priority description........................................................................................................602
Configuring the severity level for Event Log messages sent to a syslog server......................... 603
Configuring the system module used to select the Event Log messages sent to a
syslog server.................................................................................................................... 603
Enabling local command logging................................................................................................ 604
Operating notes for debug and Syslog........................................................................................604
Diagnostic tools......................................................................................................................................605
Port auto-negotiation...................................................................................................................605
Ping and link tests....................................................................................................................... 605
Ping test........................................................................................................................... 605
Link test............................................................................................................................ 605
Executing ping or link tests (WebAgent)...........................................................................606
Testing the path between the switch and another device on an IP network..................... 606
Issuing single or multiple link tests................................................................................... 607
Tracing the route from the switch to a host address................................................................... 607
Halting an ongoing traceroute search.............................................................................. 608
A low maxttl causes traceroute to halt before reaching the destination address............. 608
If a network condition prevents traceroute from reaching the destination........................ 608
Viewing switch configuration and operation...........................................................................................609
Viewing the startup or running configuration file......................................................................... 609
Viewing the configuration file (WebAgent).................................................................................. 609
Viewing a summary of switch operational data........................................................................... 609
Saving show tech command output to a text file.............................................................. 610
Viewing more information on switch operation............................................................................611
Searching for text using pattern matching with show command...................................... 612
Displaying the information you need to diagnose problems........................................................613
Restoring the factory-default configuration............................................................................................ 614
Resetting to the factory-default configuration..............................................................................614
Using the CLI....................................................................................................................614
Using Clear/Reset............................................................................................................ 615
Restoring a flash image......................................................................................................................... 615
Contents 23
Recovering from an empty or corrupted flash state.................................................................... 615
DNS resolver..........................................................................................................................................617
Basic operation........................................................................................................................... 617
Configuring and using DNS resolution with DNS-compatible commands...................................618
Configuring a DNS entry............................................................................................................. 619
Using DNS names with ping and traceroute: Example:.............................................................. 620
Viewing the current DNS configuration....................................................................................... 621
Operating notes...........................................................................................................................622
Event Log messages...................................................................................................................622
Chapter 17 Job Scheduler........................................................................... 623
Job Scheduler........................................................................................................................................ 623
Commands.............................................................................................................................................623
Job at | delay | enable | disable ...........................................................................623
Show job..................................................................................................................................... 624
Show job <Name>.......................................................................................................................625
Chapter 18 Configuration backup and restore without reboot................ 626
Overview................................................................................................................................................ 626
Benefits of configuration restore without reboot..........................................................................626
Recommended scenarios...................................................................................................................... 626
Use cases.............................................................................................................................................. 626
Switching to a new configuration.................................................................................................627
Rolling back to a stable configuration using job scheduler......................................................... 628
Commands used in switch configuration restore without reboot............................................................629
Configuration backup............................................................................................................................. 629
cfg-backup...............................................................................................................................630
show config files................................................................................................................630
Configuration restore without reboot .....................................................................................................632
cfg-restore.............................................................................................................................632
Force configuration restore.............................................................................................. 634
cfg-restore non-blocking......................................................................................635
cfg-restore recovery-mode................................................................................... 636
cfg-restore verbose................................................................................................ 638
cfg-restore config_bkp..........................................................................................639
Configuration restore with force option....................................................................................... 640
System reboot commands................................................................................................641
Configuration restore without force option.................................................................................. 642
show cfg-restore status...................................................................................................642
Viewing the differences between a running configuration and a backup configuration...............644
Show commands to show the SHA of a configuration........................................................................... 646
show hash.................................................................................................................................646
Scenarios that block the configuration restoration process................................................................... 647
Limitations..............................................................................................................................................647
Blocking of configuration from other sessions.............................................................................647
Troubleshooting and support................................................................................................................. 648
debug cfg-restore................................................................................................................648
Chapter 19 Virtual Switching Framework (VSF)........................................ 649
Overview of VSF.................................................................................................................................... 649
Benefits of VSF...................................................................................................................................... 650
Member roles......................................................................................................................................... 650
Commander................................................................................................................................ 650
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Standby....................................................................................................................................... 650
Management module............................................................................................................................. 650
VSF member ID..................................................................................................................................... 651
VSF link..................................................................................................................................................651
vsf member link........................................................................................................................... 651
Validation rules for VSF member......................................................................................652
Physical VSF ports.................................................................................................................................653
VSF domain ID.......................................................................................................................................653
VSF split.................................................................................................................................................654
VSF merge.............................................................................................................................................654
Member priority...................................................................................................................................... 654
Interface naming conventions................................................................................................................ 654
Running-configuration synchronization .................................................................................................655
VSF deployment methods......................................................................................................................655
Discovered configuration mode procedure................................................................................. 655
Provisioned configuration mode procedure.................................................................................655
Configuration commands....................................................................................................................... 656
copy core-dump.......................................................................................................................... 656
copy crash-data...........................................................................................................................656
copy crash-files........................................................................................................................... 656
copy crash-log vsf-member.........................................................................................................657
copy fdr-log................................................................................................................................. 657
erase fdr-log vsf.......................................................................................................................... 658
power-over-ethernet vsf-member................................................................................................658
redundancy switchover............................................................................................................... 659
snmp-server enable traps vsf......................................................................................................659
Validation rules................................................................................................................. 659
vsf domain...................................................................................................................................659
Validation rules................................................................................................................. 659
vsf enable....................................................................................................................................659
vsf disable........................................................................................................................ 660
Validation rules................................................................................................................. 660
vsf member reboot...................................................................................................................... 660
vsf member remove.................................................................................................................... 661
Validation rules................................................................................................................. 661
vsf member shutdown................................................................................................................. 662
Validation rules................................................................................................................. 662
vsf member priority......................................................................................................................663
vsf member type .........................................................................................................................663
Validation rules................................................................................................................. 664
Show commands................................................................................................................................... 664
show vsf...................................................................................................................................... 664
Validation rules................................................................................................................. 665
show vsf link................................................................................................................................665
show vsf member........................................................................................................................ 666
show system information vsf member ........................................................................................667
show system chassislocate.........................................................................................................668
show boot-history........................................................................................................................ 669
show system temperature........................................................................................................... 669
show system fans........................................................................................................................670
show CPU................................................................................................................................... 671
show CPU process slot............................................................................................................... 672
show modules............................................................................................................................. 673
show power-over-ethernet.......................................................................................................... 675
show system power-supply......................................................................................................... 676
OOBM-MAD commands........................................................................................................................ 680
vsf oobm-mad............................................................................................................................. 680
Contents 25
Validation rules................................................................................................................. 680
oobm vsf member....................................................................................................................... 680
oobm vsf member interface speed-duplex.................................................................................. 681
show oobm vsf member.............................................................................................................. 682
show oobm ip.............................................................................................................................. 682
show oobm discovery..................................................................................................................683
show running-config oobm.......................................................................................................... 684
show vsf trunk-designated-forwarder............................................................................... 684
Validation rules................................................................................................................. 685
LLDP-MAD.............................................................................................................................................685
VSF split and MAD operation......................................................................................................685
MAD readiness check................................................................................................................. 686
vsf lldp-mad ipv4......................................................................................................................... 686
Validation rules................................................................................................................. 687
show vsf lldp-mad....................................................................................................................... 687
VSF re-join after a split................................................................................................................688
Mad assist device requirements..................................................................................................688
Limitations of MAD...................................................................................................................... 688
VSF restrictions......................................................................................................................................688
Updates for a VSF virtual chassis..........................................................................................................688
VSF Fast Software Upgrade.................................................................................................................. 688
Upgrading the VSF stack software..............................................................................................689
vsf sequenced-reboot.......................................................................................................689
Chapter 20 Simplifying Wireless and IoT Deployments........................... 691
Overview................................................................................................................................................ 691
Auto configuring Aruba APs...................................................................................................................691
Associating a device with a profile.............................................................................................. 691
device-profile name.......................................................................................................... 691
device-profile type............................................................................................................ 693
device-profile type device-name.......................................................................................694
show device-profile..................................................................................................................... 694
show command device-profile status............................................................................... 695
show device-profile config................................................................................................ 696
show device-profile status................................................................................. 697
Default AP Profile............................................................................................................. 698
allow-jumbo-frames.......................................................................................................... 698
Auto configuring IoT Devices................................................................................................................. 698
Creating a device identity and associating a device type............................................................698
show device-identity......................................................................................................... 699
device-profile type-device associate........................................................................................... 700
show device-profile config...........................................................................................................700
show device-profile status...........................................................................................................701
Support for Aruba device types...................................................................................................701
Isolating Rogue APs.............................................................................................................................. 702
Using the Rogue AP Isolation feature......................................................................................... 702
rogue-ap-isolation....................................................................................................................... 703
rogue-ap-isolation action.............................................................................................................703
rogue-ap-isolation whitelist..........................................................................................................704
clear rogue-ap-isolation...............................................................................................................704
Feature Interactions.................................................................................................................... 705
L3 MAC............................................................................................................................ 705
Limitations................................................................................................................................... 705
Troubleshooting...........................................................................................................................706
Switch does not detect the rogue AP TLVs...................................................................... 706
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Show commands..............................................................................................................706
Requirements.........................................................................................................................................706
Limitations..............................................................................................................................................706
Feature Interactions............................................................................................................................... 707
Profile Manager and 802.1X....................................................................................................... 707
Profile Manager and LMA/WMA/MAC-AUTH..............................................................................707
Profile manager and Private VLANs........................................................................................... 707
MAC lockout and lockdown ........................................................................................................707
LMA/WMA/802.1X/Port-Security.................................................................................................708
Troubleshooting..................................................................................................................................... 708
Dynamic configuration not displayed when using “show running-config”....................................708
The show run command displays non-numerical value for untagged-vlan...............................708
Show commands.........................................................................................................................709
Chapter 21 IP Service Level Agreement.....................................................710
Overview................................................................................................................................................ 710
How IP SLA works................................................................................................................................. 712
Configuration commands....................................................................................................................... 712
[no] ip-sla <ID>............................................................................................................................712
ip-sla <ID> clear.......................................................................................................................... 713
[no] ip-sla <ID> history-size ........................................................................................................713
[no] ip-sla <ID> icmp-echo.......................................................................................................... 714
[no] ip-sla <ID> udp-echo............................................................................................................714
[no] ip-sla <ID> tcp-connect........................................................................................................ 714
[no] ip-sla <ID> monitor threshold-config.................................................................................... 714
[no] ip-sla <ID> monitor packet-loss............................................................................................715
[no] ip-sla <ID> monitor test-completion..................................................................................... 715
[no] ip-sla <ID> schedule............................................................................................................ 716
[no] ip-sla <ID> tos...................................................................................................................... 716
[no] ip-sla responder................................................................................................................... 716
[no] ip-sla <ID> udp-jitter ............................................................................................................716
[no] ip-sla <ID> udp-jitter-voip .................................................................................................... 717
Show commands................................................................................................................................... 717
show ip-sla <ID>......................................................................................................................... 717
show ip-sla <ID> history..............................................................................................................718
show ip-sla <ID> message-statistics...........................................................................................718
show ip-sla <ID> results .............................................................................................................719
show ip-sla <ID> aggregated-results.......................................................................................... 720
show ip-sla responder................................................................................................................. 721
show ip-sla responder statistics.................................................................................................. 721
show tech ip-sla.......................................................................................................................... 722
clear ip-sla responder statistics........................................................................................724
Validation rules.......................................................................................................................................724
Event log messages...............................................................................................................................727
Interoperability....................................................................................................................................... 728
IP SLA UDP Jitter and Jitter for VoIP ....................................................................................................728
Overview..................................................................................................................................... 728
Significance of jitter..................................................................................................................... 729
Solution components...................................................................................................................729
SLA Measurements.....................................................................................................................729
Chapter 22 Dynamic Segmentation............................................................ 732
Definition of Terms................................................................................................................................. 732
Overview................................................................................................................................................ 732
Contents 27
Benefits of Dynamic Segmentation........................................................................................................733
Use Cases............................................................................................................................................. 733
Users/Devices and Policy Enforcement Recommendations..................................................................735
Colorless Ports.......................................................................................................................................736
Port-Based Tunneling............................................................................................................................ 736
Configuring Port-Based Tunneling.............................................................................................. 737
Operating notes...........................................................................................................................738
Interaction table...........................................................................................................................738
Restrictions................................................................................................................................. 739
Preventing double tunneling of Aruba Access Points................................................................. 740
Preventing double tunneling using device profile............................................................. 741
User-Based Tunneling........................................................................................................................... 744
User Authentication Workflow..................................................................................................... 744
How it works................................................................................................................................745
Licensing Requirements..............................................................................................................746
Dependencies............................................................................................................................. 747
Simplifying User-Based Tunneling with Reserved VLAN............................................................748
Configuration and show commands............................................................................................749
Commands to configure a tunneled node server on the switch....................................... 749
Show commands..............................................................................................................753
Commands to configure VLAN ID in user role................................................................. 759
Tunneled Node profile on a Mobility Controller and Cluster ............................................760
Using User Roles with User-Based Tunneling................................................................. 760
User-Based Tunneling in v6 networks.........................................................................................762
PAPI security..........................................................................................................................................762
Protocol Application Programming Interface (PAPI)....................................................................762
PAPI configurable secret key...................................................................................................... 762
papi-security........................................................................................................................ 763
Frequently Asked Questions..................................................................................................................764
Chapter 23 Cable Diagnostics.....................................................................767
Virtual cable testing................................................................................................................................767
Cable Diagnostics.................................................................................................................................. 767
show cable-diagnostics..........................................................................................................................770
clear cable-diagnostics.......................................................................................................................... 770
Limitations..............................................................................................................................................770
Chapter 24 Monitoring Static IP Devices................................................... 772
ip client-tracker.......................................................................................................................... 772
ip client-tracker probe-delay................................................................................................ 774
Chapter 25 Network Out-of-Band Management (OOBM) ......................... 775
OOBM concepts.....................................................................................................................................775
OOBM and switch applications................................................................................................... 776
Example...................................................................................................................................... 776
OOBM Configuration..............................................................................................................................777
Entering the OOBM configuration context from the general configuration context..................... 777
Enabling and disabling OOBM.................................................................................................... 777
Enabling and disabling the OOBM port.......................................................................................778
Setting the OOBM port speed..................................................................................................... 778
Configuring an OOBM IPv4 address...........................................................................................779
Configuring an OOBM IPv4 default gateway.............................................................................. 779
Configuring an IPv6 default gateway for OOBM devices............................................................ 780
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oobm ipv6 default-gateway................................................................................... 780
oobm member ipv6 default-gateway.................................................................... 780
IPv6 default router preferences...................................................................................................781
ipv6 nd ra router-preference............................................................................. 781
OOBM show commands .......................................................................................................................782
Showing the global OOBM and OOBM port configuration.......................................................... 782
Showing OOBM IP configuration................................................................................................ 782
Showing OOBM ARP information............................................................................................... 783
show oobm ipv6...................................................................................................................... 783
show oobm ipv6 (for stacked switches)...................................................................................... 783
show oobm ipv6 member (for stacked switches)........................................................................ 784
show oobm ip detail (for stacked switches).................................................................................785
Application server commands................................................................................................................786
Application client commands................................................................................................................. 786
Chapter 26 Websites.................................................................................... 789
Chapter 27 Support and other resources.................................................. 790
Accessing Hewlett Packard Enterprise Support.................................................................................... 790
Accessing updates.................................................................................................................................790
Customer self repair...............................................................................................................................791
Remote support..................................................................................................................................... 791
Warranty information..............................................................................................................................791
Regulatory information...........................................................................................................................792
Documentation feedback....................................................................................................................... 792
Chassis Redundancy (5400R Switches).................................................... 793
Overview of chassis management redundancy..................................................................................... 793
Nonstop switching with redundant management modules..........................................................793
How the management modules interact......................................................................................793
About using redundant management.....................................................................................................793
Transition from no redundancy to nonstop switching..................................................................794
About setting the rapid switchover stale timer.............................................................................794
About directing the standby module to become active................................................................794
Preferred management module............................................................................................................. 794
redundancy active-management........................................................................................795
redundancy preferred-active-management.................................................................. 796
show redunancy...................................................................................................................... 797
Determining active module.................................................................................................................... 798
Diagram of the decision process.................................................................................................799
Hotswapping management modules......................................................................................................799
Hotswapping out the active management module...................................................................... 800
Management module switchover................................................................................................ 800
Events that cause a switchover........................................................................................800
What happens when switchover occurs........................................................................... 801
When switchover will not occur........................................................................................ 801
When a management module crashes while the other management module is
rebooting.......................................................................................................................... 801
Hotswapping out the active management module........................................................... 801
When the standby module is not available.......................................................................801
Hotswapping in a management module........................................................................... 802
Software version mismatch between active and hotswapped module........................................802
Other software version mismatch conditions.............................................................................. 802
Contents 29
About turning off redundant management............................................................................................. 803
Disable management module redundancy with two modules present........................................ 803
Disable management module redundancy with only one module present..................................804
Active management module commands................................................................................................804
Viewing modules......................................................................................................................... 804
Syncing commands.....................................................................................................................804
Using the WebAgent for redundant management..................................................................................805
Enabling or disabling redundant management...................................................................................... 806
Transitioning from no redundancy to nonstop switching ...................................................................809
Setting the Rapid Switchover Stale Timer...................................................................................809
Directing the standby module to become active.................................................................................... 810
Directing the standby module to become active..........................................................................811
Setting the active management module for next boot............................................................................812
Resetting the management module....................................................................................................... 814
Viewing management information..........................................................................................................815
Viewing information about the management and fabric modules............................................... 816
Viewing information about the redundancy role of each management module.......................... 816
Viewing which software version is in each flash image...............................................................817
Viewing system software image information for both management modules............................. 817
Viewing the status of the switch and its management modules..................................................818
Standby management module commands............................................................................................ 818
Viewing redundancy status on the standby module....................................................................818
Viewing the flash information on the standby module.................................................................819
Viewing the version information on the standby module.............................................................819
Setting the default flash for boot............................................................................................................ 820
Booting the active management module from the current default flash...................................... 820
boot command ..........................................................................................................................821
Boot and reload commands with OSPFv2 or OSPFv3 enabled ............................................ 823
Modules operating in nonstop mode................................................................................ 823
Additional commands affected by redundant management............................................. 823
Displaying module events...................................................................................................................... 825
Viewing log events...................................................................................................................... 825
Copying crash file information to another file.............................................................................. 826
Viewing saved crash information.................................................................................................827
Enabling and disabling fabric modules.................................................................................................. 827
Nonstop switching features....................................................................................................................828
Nonstop switching with VRRP.....................................................................................................828
Example nonstop routing configuration.......................................................................................829
Nonstop forwarding with RIP.......................................................................................................830
Nonstop forwarding with OSPFv2 and OSPFv3......................................................................... 830
Enabling nonstop forwarding for OSPFv2........................................................................ 831
Configuring restart parameters for OSPFv2.....................................................................831
Viewing OSPFv2 nonstop forwarding information............................................................832
Enabling nonstop forwarding for OSPFv3........................................................................ 832
About downloading a new software version...........................................................................................833
File synchronization after downloading....................................................................................... 833
Potential software version mismatches after downloading......................................................... 834
Downloading a software version serially if the management module is corrupted......................835
Unsupported zl modules........................................................................................................................ 835
Hot swapping of management modules......................................................................................836
Rapid routing switchover and stale timer.................................................................................... 836
Task Usage Reporting............................................................................................................................836
Help text...................................................................................................................................... 836
process-tracking help....................................................................................................... 836
show cpu help.................................................................................................................. 836
show cpu process help.....................................................................................................837
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